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var WIDTH = 600;
var HEIGHT = 600;
var CIRCLE_SIZE = 20;
var SECOND_CIRCLE = 100;
var MINUTE_CIRCLE = 200;
var HOUR_CIRCLE = 300;
var DAY_CIRCLE = 500;
function setup()
{
createCanvas(600, 600);
ellipseMode(CENTER);
}
function leapYear()
{
return year() % 4 == 0 && (!(year() % 100 == 0) || year() % 400 == 0) ? 1 : 0;
}
function day365()
{
var m = month()-1;
var d = day()-1;
var currday = 0;
if (m == 0)
return day();
currday += 31;
if (m == 1)
return d+currday;
currday += 28 + leapYear();
if (m == 2)
return d+currday;
currday += 31;
if (m == 3)
return d+currday;
currday += 30;
if (m == 4)
return d+currday;
currday += 31;
if (m == 5)
return d+currday;
currday += 30;
if (m == 6)
return d+currday;
currday += 31;
if (m == 7)
return d+currday;
currday += 31;
if (m == 8)
return d+currday;
currday += 30;
if (m == 9)
return d+currday;
currday += 31;
if (m == 10)
return d+currday;
currday += 30;
if (m == 11)
return d+currday;
return -1;
}
function draw()
{
background(255, 255, 255);
var date = new Date();
var ms = date.getTime() % 1000;
var s = second();
var h = hour();
var m = minute();
var secs = s + ms/1000;
var mins = m + secs / 60;
var hrs = h + mins / 60;
var dy = day365() + hrs / 24;
hours = TWO_PI * (hrs / 24) - HALF_PI;
minutes = TWO_PI * (mins / 60) - HALF_PI;
seconds = TWO_PI * (secs / 60) - HALF_PI;
date = TWO_PI * (dy / (365 + leapYear())) - HALF_PI;
noFill();
stroke(secs*4, 0, 0);
ellipse(WIDTH / 2, HEIGHT / 2, SECOND_CIRCLE, SECOND_CIRCLE);
stroke(0, mins*4, 0);
ellipse(WIDTH / 2, HEIGHT / 2, MINUTE_CIRCLE, MINUTE_CIRCLE);
stroke(0, 0, hrs*4);
ellipse(WIDTH / 2, HEIGHT / 2, HOUR_CIRCLE, HOUR_CIRCLE);
stroke(0, 0, 0);
ellipse(WIDTH / 2, HEIGHT / 2, DAY_CIRCLE, DAY_CIRCLE);
noStroke();
var dayX = (cos(date) * DAY_CIRCLE / 2) + WIDTH / 2;
var dayY = (sin(date) * DAY_CIRCLE / 2) + HEIGHT / 2;
var hourX = (cos(hours) * HOUR_CIRCLE / 2) + WIDTH / 2;
var hourY = (sin(hours) * HOUR_CIRCLE / 2) + HEIGHT / 2;
var minuteX = (cos(minutes) * MINUTE_CIRCLE / 2) + WIDTH / 2;
var minuteY = (sin(minutes) * MINUTE_CIRCLE / 2) + HEIGHT / 2;
var secondX = (cos(seconds) * SECOND_CIRCLE / 2) + WIDTH / 2;
var secondY = (sin(seconds) * SECOND_CIRCLE / 2) + HEIGHT / 2;
fill(secs*4, 0, 0);
ellipse(secondX, secondY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, mins*4, 0);
ellipse(minuteX, minuteY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, 0, hrs*4);
ellipse(hourX, hourY, CIRCLE_SIZE, CIRCLE_SIZE);
fill(0, 0, 0);
ellipse(dayX, dayY, CIRCLE_SIZE, CIRCLE_SIZE);
textSize(30);
}
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